“GEOTECHNICAL & GEOPHYSICAL RESEARCH” LTD.
PO Box 398032, Minneapolis, MN 55439
Telephone 651-327-5461
E-mail george_nenov@yahoo.com
“GEOTECHNICAL & GEOPHYSICAL RESEARCH” LTD.
PO Box 398032, Minneapolis, MN 55439
Telephone 651-327-5461
E-mail george_nenov@yahoo.com